Thomas

From a YouTube movie. A guy named Thomas is tied to a railway track and is suffocated with a plastic bag til he passes out.

Riley Smith

In the TV series "24" of 2003 Riley (age 25) tries to hang himself, but fails eventually when he gets to scared.

Keanu Reeves

In the movie "Point Break" of 1991 Keanu (age 27 back then) is getting strangled for a short time.